landmar04
landmar04 landmar04
  • 03-07-2018
  • Mathematics
contestada

Which number should be multiples to obtain 165^2-123^2

Respuesta :

DeanR
DeanR DeanR
  • 03-07-2018
The identity in question is called the difference of two squares:

[tex]a^2 - b^2 = (a+b)(a-b)[/tex]

So

[tex]165^2-123^2=(165+123)(165-123)=288\times 42[/tex]

Answer Link

Otras preguntas

The problems caused by the showed the Founders the need for a strong executive to respond to problems, enforce laws, and carry out the acts of Congress.
How would i do this 243.79 in expanded form? Please answer my question.
An atom of the element chromium has an atomic number of 24 and a mass number of 52. How many electrons are in an uncharged atom of chromium? 0 24 28 52
Graph 3x-4y = 24 Brainliest to the correct answer as well as 20 points
What change needs to be made in sentence 4? Group of answer choices Change earlier to earliest Change themselves to themselfs Insert a comma after chance Change
The phylum Nematoda includes the flatworms. a. true b. false
How did the Abbasid Caliphate transform who governed the empire?
why did the united states soviet union almost come to war over cuba?​
shakespearean sonnet
How does an investment in physical capital generally affect labor productivity and output?